Eat less ; exercise. The key to losing weight is not a temporary diet but permanent changes. Sugars ; simple carbs from grains esp. Cause weight gain. It's also wise to avoid fried foods. I like dr. Furhman's diet: http://bit.Ly/1dhw9ht
dr. Weil has useful info: http://huff.To/19ygs8y- see his "discuss that" link in his article.
Exercise is also important!
it's also best to choose organic foods:http://bit.Ly/19xax7e.